Lesson Plan: Structure and Function of Antibodies Biology

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to distinguish between an antigen and an antibody and describe the structure and functions of antibodies in the immune response.


Students will be able to

  • distinguish between an antigen and an antibody,
  • describe the chemical structure of an antibody (immunoglobulin) protein,
  • describe different mechanisms of how antibodies limit the effects of pathogens or toxins by opsonization, neutralization, agglutination, precipitation, lysis, and antitoxin action.


Students should already be familiar with

  • the overall organization of the organs and cells of the immune system,
  • B lymphocytes as cells that make antibodies.


Students will not cover

  • details of the humoral immune response, such as the role of T-helper cells and clonal selection.

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